Home / 100,106,544.40-150,159,816.60-72,684,188.80

Finding the Fourth Proportional to 100,106,544.40, 150,159,816.60 and 72,684,188.80

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Solution

The fourth proportional to 100,106,544.40, 150,159,816.60 and 72,684,188.80 is: 109,026,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,106,544.40 : 150,159,816.60 = 72,684,188.80 : x
  2. Step 2: Convert to fraction form
    100,106,544.40/150,159,816.60 = 72,684,188.80/x
  3. Step 3: Cross multiply
    100,106,544.40x = 150,159,816.60 × 72,684,188.80
  4. Step 4: Simplify right side
    100,106,544.40x = 10,914,244,459,927,774
  5. Step 5: Solve for x
    x = 10,914,244,459,927,774/100,106,544.40
  6. Step 6: Final answer
    x = 109,026,283.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.